Compare phones
| Global Score | |
| 78.8 | 76.1 |
| Basic Information | |
| Microsoft | Samsung |
| Android 10 | Android 7.0 Nougat |
| 2020-09-10 | 2017-06-20 |
| 7.36 x 5.72 x 0.19 inches | 6.17 x 3.10 x 0.32 inches |
| 8.82 ounces | 6.31 ounces |
| Glacier | 16 777 216 |
| Glass (Corning Gorilla Glass 5) | Aluminum |
| Scratch-Resistant Glass | -- |
| $ 540.00 | -- |
| Display / Screen | |
| 8.1 inches | 5.7 inches |
| 2700 x 1800 pixels | 1920 x 1080 pixels (Full HD) |
| AMOLED | IPS LCD |
| 401 pixels per inch | 386 pixels per inch |
| No touch screen | No touch screen |
| 8.2 | 8 |
| Performance | |
| Qualcomm Snapdragon 855 SM8150 chipset | MediaTek Helio P20 MT6757 chipset |
| Kryo 485, 64-bit, 7 nm (Octa-Core 2840 MHz) processor | ARM Cortex-A53, 64-bit, 16 nm (Octa-Core 2300 MHz) processor |
| 6 GB RAM | 4 GB RAM |
| Adreno 640 GPU | Mali-T880 MP2 GPU |
| 9.63 | 9.27 |
| Storage | |
| 128 GB internal memory | 32 GB internal memory |
| No SD card slot | microSDXC (up to 256 GB) external memory slot |
| 10.1 | 8.88 |
| Camera | |
| 11.00 MP | 13.00 MP + 13.00 MP |
| f/2.00 aperture | f/1.70 aperture |
| 3840 x 2160 (60 fps) (4K) video resolution | 1920 x 1080 (30 fps) (Full HD) video resolution |
| 8.91 | 9.02 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | LTE-A (4G), LTE (4G) and HSPA |
| Nano SIM, Dual SIM | Nano SIM, Dual SIM |
| 6.7 | 6.1 |
| Battery Life | |
| 3577mAh Battery | 3300mAh Li - Ion Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.52 | 5.28 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 4.2 |
| GPS | GPS |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
Comparison review
Microsoft Surface Duo is a bit better than the Samsung Galaxy J7 Max, getting a score of 78.8 against 76.1. Both of these phones work with Android operating system, but the Microsoft Surface Duo has older 10 version and Samsung Galaxy J7 Max has Android 7.0 Nougat version. The Microsoft Surface Duo is a newer and extremely thinner device than Samsung Galaxy J7 Max, but it's also incredibly heavier.
Microsoft Surface Duo counts with a bit superior CPU than Samsung Galaxy J7 Max, and although they both have the same number of cores, the Microsoft Surface Duo also has a larger amount of RAM. The Microsoft Surface Duo features a little sharper screen than Galaxy J7 Max, because it has a much bigger display, a way better resolution of 1800 x 2700px and a little better display pixels density.
Microsoft Surface Duo has a quite bigger storage for games and applications than Galaxy J7 Max, because although it has no SD memory card expansion slot, it also counts with 128 GB internal storage. Galaxy J7 Max counts with just a bit better camera than Microsoft Surface Duo, because although it has lower video frame rates, and they both have the same 1920x1080 (Full HD) video resolution, the Galaxy J7 Max also counts with a larger diafragm aperture to take better images and video in poorly lited environments and a more MP back camera.
Microsoft Surface Duo has a bit better battery lifetime than Samsung Galaxy J7 Max, because it has 3577mAh of battery capacity instead of 3300mAh.
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